Liquid trap for evaporators and like apparatus



J. M NEIL ET AL LIQUID TRAP FOR EVAPORATORS AND LIKE- APPARATUS Filed Dec. 18

IN VEN TORS a John Mama (1 279272517 attarvzeys llY/l/l/l/l/l/l/l/l/ll Patented Dec. 8, 1925. i p t A i UNITED STATES PATENT OFFICE.

JOHN MGNEIL .AlND CHARLES MCNEIL, OF GLASGOW, SCbTLAND. v

LIQUID TRAP FOR EVAPORATORS AND LIKE APPARATUS. Application filed December 18, 1923. Serial No. 681,414.

To all whom it may concern: of direction, in order to induce therein a Be it known that we, JOHN MCNEIL and swirling motion. The centrifugal force set CHARLES MONEIL, both British subjects, and up by swirling tends to throw the more residents of Glasgow, Scotland, have inliquid (heavier) elements of the vapor 5 vented certain new and useful Improveagainst the outer walls. The liquid given ments in Liquid Traps for Evaporators and up is collected upon the diaphragm suplike Apparatus, of which the following is porting the inner shell, which diaphragm the specification. is preferably slightly inclined towards the The invention relates to priming preusual trapped outlet, not shown. 10 venters for evaporators and the like of a An example of the improved apparatus is type in which a truncated conical shell reshown in sectional elevation on an accomceives at its larger and lower end the moispanying sheet of drawings.

ture laden vapour from the evaporator or In this example the inner conical shell A other vessel and delivers it towards the surrounded by the superposed like shell B 15 outlet from its lesser upper end. is formed in one piece with the diaphragm The invention has for its object to roplate C upon which it is supported upon vide in a simple manner further sur aces the upper end of the evaporator casing D and further more or less tortuous passages while the closure E for the annular passage for the vapour so that its moisture may be between the shells and the means of sup- 20 the more effectively given up during its port for the outer shell Bis formed in one passage from inlet to outlet. piece with the latter. 7

According to the invention there is super- The whole is enclosed in a hemispherical posed upon the truncated conical shell recasing F through which passes the outlet ferred to a second like shell of greater mean trunk G. Arrows indicate the direction of 25 diameter. The annular conicalor conoidal flow of the vapour.

space between the two shells is closed at What We claim is its upper end by a plate which may very A liquid trap for evaporators having a conveniently be integral with one or other diaphragm plate, an inner truncated coni of the shells. This closure, and the base cal shell with its base supported on said 30 of the outer shell are preferably inclined plate, and a like shell ofgreater mean to the horizontal. Both shells are enclosed diameter than the first named shell, in comwithin an outer casing which may convenbination with a closure between the upper iently be of hemispherical form. 'The anends of the shells, said closure supporting nular spacebetweenthe two shells is conthe shell of greater mean diameter and nected by a trunk with the outlet from the forming an annular conoidal passage beevaporator or the like, and the vapour, tween the shell, a casing enclosing the finding its way axially up the inner shell, whole and a trunk connecting the annular passes thence to the space between the space with the outlet from the whole. outer shell and the casing and from thence In testimony whereof we have signed our 0 to the annular space between the shells and names to this specification.

so to the outlet. The apparatus is designed I JOHN MCNEIL.

so as to give to the vapor gradual changes CHARLES MONEIL. 

